The following is Allison Corporation's contribution format income statement for last month:

Sales	$800,000
Less variable expenses	300,000
Contribution margin	500,000
Less fixed expenses	400,000
Net income	$100,000

The company has no beginning or ending inventories. The company produced and sold 10,000 units last month. If sales increase by 200 units, by how much should net income increase?

Group of answer choices

$2,000.

$5,000.

$6,000.

$10,000.